I think I’ve got a solid vocabulary, but count “obstreperous” as a word I’ve never heard before, let alone used. Its fun to say!
I looked it up, and its a word I can definitely keep in my pocket for future use. “My dogs can get obstreperous if they don’t get their exercise”. Yay learning!
Prodigious
Asshat, shit ass, throat punch, gooch, toe knuckle, bile, prune, penile, toaster slap
I like to say “salsa” 
This one’s fitting for you 
Circumlocutions
Vicissitude
Intersectionality
Bifurcate
Diaphanous
Proselytize
Petty
Snot rocket for 10 characters
Amazeballs.
Schizzdiggety.
Yes, I just made that up. 
Mezzanine.
Flummoxed.
Unorthodox.
Narthex.
Peripatetic.
Obfuscation.
Aghast
Onomatopoeia
Boom
I second boom… 
Cackle
Rangy
Cantankerous
Words that don’t have antonyms. Like ‘nonchalant’. Ever see someone being ‘chalant’?
Myself, I’m feeling enfranchised because I’m plussed and gruntled!
I was thrown off by being whelmed, then I unwhelmed and recombobulated.
My daughter and I came across this video a few weeks ago. I had never realised how great the word “ass” is.
edit: Let me also say, don’t go to YouTube and search “ass”…I very quickly realised I needed more words to find this video!!
Bewildered
Scheisse. It’s one I can use around the kids 
